A client is admitted with a ruptured tympanic membrane in the right ear. This may result in a hearing loss in the right ear because the main function of the tympanic membrane is to:
1. Vibrate with sound waves.
2. Separate the outer and inner ear.
3. Cover the eustachian tube.
4. Cover the mastoid process.
Vibrate with sound waves.
Rationale: The tympanic membrane vibrates from sound waves from the external ear canal. The vibrations are transmitted to the bones of the middle ear. A rupture in the membranes interferes with the ability to vibrate, which results in decreased hearing in that ear. The tympanic membrane separates the outer and middle ear, not the outer and inner ear. The tympanic membrane does not cover the eustachian tube, which connects with the middle ear. The mastoid process is part of the outer ear but it is not covered by the mastoid process.
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